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1999 - 2003 7.3L Power Stroke Diesel  
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Code p0238 but low boost

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Old Feb 3, 2015 | 06:36 PM
  #16  
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Update. Checked for boost leaks. I have a huge leak at the intake manifold I guess is what it's called. The piece that is bolted to the cylinder head. It's leaking on the left head at the rear.
 
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Old Feb 4, 2015 | 09:41 AM
  #17  
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Uh oh. Let me show you what I see in the 7.3L crystal ball.



 
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Old Feb 4, 2015 | 01:55 PM
  #18  
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Should I buy those manifolds and do both sides or just re-seal the left side that is leaking?
 
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Old Feb 4, 2015 | 02:00 PM
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Never mind I can't use those manifolds. I have a E99
 
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Old Feb 4, 2015 | 06:45 PM
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Found out another interesting thing. Put my chip into stock mode and I hit 18 psi of boost....? Also the waste gate duty cyle was 98.8 idling and 0 when the pedal was to the metal. All the tunes on my chip the waste gate duty cycle was 98.8 no matter what? What does this mean. Chip needs reprogrammed?
 
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Old Feb 5, 2015 | 07:39 AM
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At the very least, it needs pulling. Double-check the contacts on the edge of the PCM for corrosion or poor cleaning.
 
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